package Zuoye0728;

import java.util.List;

public class Mainframes {
    private List<String> a;
    public void show(){
        System.out.println("机箱由"+a+"组成");
    }

    public List<String> getA() {
        return a;
    }

    public void setA(List<String> a) {
        this.a = a;
    }

}
